25395975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 51377664

約数和(自身を除く): 25981689

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 331, 341, 465, 495, 775, 825, 993, 1023, 1395, 1655, 1705, 2325, 2475, 2979, 3069, 3641, 4965, 5115, 6975, 8275, 8525, 10261, 10923, 14895, 15345, 18205, 24825, 25575, 30783, 32769, 51305, 54615, 74475, 76725, 91025, 92349, 112871, 153915, 163845, 256525, 273075, 338613, 461745, 564355, 769575, 819225, 1015839, 1693065, 2308725, 2821775, 5079195, 8465325, 25395975]

約数ペア:

[(1, 25395975), (3, 8465325), (5, 5079195), (9, 2821775), (11, 2308725), (15, 1693065), (25, 1015839), (31, 819225), (33, 769575), (45, 564355), (55, 461745), (75, 338613), (93, 273075), (99, 256525), (155, 163845), (165, 153915), (225, 112871), (275, 92349), (279, 91025), (331, 76725), (341, 74475), (465, 54615), (495, 51305), (775, 32769), (825, 30783), (993, 25575), (1023, 24825), (1395, 18205), (1655, 15345), (1705, 14895), (2325, 10923), (2475, 10261), (2979, 8525), (3069, 8275), (3641, 6975), (4965, 5115)]